<template>
  <div class="app-container">
    <div class="search-div">
      <el-form label-width="70px" size="small">
        <el-row>
          <el-col>
            <el-form-item label="关 键 字">
              <el-input
                style="width: 95%"
                v-model="searchObj.keyword"
                placeholder="用户名"
              ></el-input>
            </el-form-item>
          </el-col>
        
        </el-row>
        <el-row style="display: flex">
          <el-button
            type="primary"
            icon="el-icon-search"
            size="mini"
            @click="fetchData()"
            >搜索</el-button
          >
          <el-button icon="el-icon-refresh" size="mini" @click="resetData"
            >重置</el-button
          >
          <el-button
            type="success"
            icon="el-icon-plus"
            size="mini"
            @click="add"
            :disabled="$hasBP('btn.sysUser.add')"
            >添 加</el-button
          >
        </el-row>
      </el-form>
    </div>

    <!-- 列表 -->
    <el-table :data="list" stripe border style="width: 100%; margin-top: 10px">
      <el-table-column label="序号" width="70" align="center">
        <template slot-scope="scope">
          {{ (pageNum - 1) * pageSize + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="username" label="用户名" />
      <el-table-column prop="name" label="姓名" />
      <el-table-column prop="phone" label="手机" />
      <el-table-column prop="postName" label="岗位" />
      <el-table-column prop="deptName" label="部门" />
      <el-table-column label="所属角色" width="260">
        <template slot-scope="scope">
          <span
            v-for="item in scope.row.roleList"
            :key="item.id"
            style="margin-right: 10px"
            >{{ item.roleName }}</span
          >
        </template>
      </el-table-column>
      <el-table-column label="状态" width="100">
        <template slot-scope="scope">
          <el-switch
            v-model="scope.row.status === 1"
            @change="switchStatus(scope.row)"
          >
          </el-switch>
        </template>
      </el-table-column>
      <el-table-column prop="createTime" label="创建时间" width="160" />
      <el-table-column label="操作" width="180" align="center">
        <template slot-scope="scope">
          <el-button
            type="primary"
            icon="el-icon-edit"
            size="mini"
            @click="edit(scope.row.id)"
            title="修改"
          />
          <el-button
            type="danger"
            icon="el-icon-delete"
            size="mini"
            @click="removeDataById(scope.row.id)"
            title="删除"
          />
          <el-button
            type="warning"
            icon="el-icon-baseball"
            size="mini"
            @click="showAssignRole(scope.row)"
            title="分配角色"
          />
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页组件 -->
    <el-pagination
      :current-page="pageNum"
      :total="total"
      :page-size="pageSize"
      :page-sizes="[5, 10, 20, 30, 40, 50]"
      style="padding: 30px 0; text-align: center"
      layout="total,sizes, prev, pager, next, jumper"
      @current-change="fetchData"
      @size-change="changeSize"
    />

    <el-dialog title="添加/修改" :visible.sync="dialogVisible" width="40%">
      <el-form
        ref="dataForm"
        :model="sysUser"
        label-width="100px"
        size="small"
        style="padding-right: 40px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="sysUser.username" />
        </el-form-item>
        <el-form-item v-if="!sysUser.id" label="密码" prop="password">
          <el-input v-model="sysUser.password" type="password" />
        </el-form-item>
        <el-form-item label="姓名" prop="name">
          <el-input v-model="sysUser.name" />
        </el-form-item>
        <el-form-item label="手机" prop="phone">
          <el-input v-model="sysUser.phone" />
        </el-form-item>
        <el-form-item label="部门" prop="deptId">
          <el-select v-model="sysUser.deptId" placeholder="请选择">
            <el-option
              v-for="item in deptList"
              :key="item.id"
              :label="item.name"
              :value="item.id"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="岗位" prop="postId">
          <el-select v-model="sysUser.postId" placeholder="请选择">
            <el-option
              v-for="item in postList"
              :key="item.id"
              :label="item.name"
              :value="item.id"
            />
          </el-select>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button
          @click="dialogVisible = false"
          size="small"
          icon="el-icon-refresh-right"
          >取 消</el-button
        >
        <el-button
          type="primary"
          icon="el-icon-check"
          @click="saveOrUpdate()"
          size="small"
          >确 定</el-button
        >
      </span>
    </el-dialog>
    <el-dialog title="分配角色" :visible.sync="dialogRoleVisible">
      <el-form label-width="80px">
        <el-form-item label="用户名">
          <el-input disabled :value="sysUser.username"></el-input>
        </el-form-item>

        <el-form-item label="角色列表">
          <el-checkbox
            :indeterminate="isIndeterminate"
            v-model="checkAll"
            @change="handleCheckAllChange"
            >全选</el-checkbox
          >
          <div style="margin: 15px 0"></div>
          <el-checkbox-group
            v-model="userRoleIds"
            @change="handleCheckedChange"
          >
            <el-checkbox
              v-for="role in allRoles"
              :key="role.id"
              :label="role.id"
              >{{ role.roleName }}</el-checkbox
            >
          </el-checkbox-group>
        </el-form-item>
      </el-form>
      <div slot="footer">
        <el-button type="primary" @click="assignRole" size="small"
          >保存</el-button
        >
        <el-button @click="dialogRoleVisible = false" size="small"
          >取消</el-button
        >
      </div>
    </el-dialog>
  </div>
</template>
  
  <script>
import api from "@/api/system/sysUser";
import roleApi from "@/api/system/sysRole";
import deptApi from "@/api/system/sysDept";
import postApi from "@/api/system/sysPost";

const defaultForm = {
  id: "",
  username: "",
  password: "",
  name: "",
  phone: "",
  status: 1,
};
export default {
  data() {
    return {
      list: [], // 用户列表
      deptList:[],
      postList:[],
      total: 0, // 数据库中的总记录数
      pageNum: 1, // 页码
      pageSize: 5, // 每页记录数
      searchObj: {}, // 查询表单对象
      dialogVisible: false, //添加框可见
      sysUser: defaultForm, //添加框数据
      saveBtnDisabled: false, //保存按钮可用
      dialogRoleVisible: false, //分配角色框可见
      allRoles: [], // 所有角色列表
      userRoleIds: [], // 用户的角色ID的列表
      isIndeterminate: false, // 是否是不确定的
      checkAll: false, // 是否全选
    };
  },

  // 生命周期函数：内存准备完毕，页面尚未渲染
  created() {
    this.fetchData();
    roleApi.findAll().then((res) => {
      this.roleList = res.data;
    });
    deptApi.findNodes().then((res) => {
      this.deptList = res.data;
    });
    postApi.findAll().then((res) =>{
      this.postList = res.data;
    })
  },
  methods: {
    // 当页码发生改变的时候
    changeSize(size) {
      console.log(size);
      this.pageSize = size;
      this.fetchData(1);
    },
    // 加载列表数据
    fetchData(current = 1) {
      this.pageNum = current;
      api
        .getPageList(this.pageNum, this.pageSize, this.searchObj)
        .then((res) => {
          //page中的数据和total
          this.list = res.data.records;
          this.total = res.data.total;
        });
    },
    // 重置查询表单
    resetData() {
      this.searchObj = {};
      this.fetchData();
    },
    // 根据id删除数据
    removeDataById(id) {
      debugger;
      this.$confirm("此操作将永久删除该记录, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(() => {
          return api.removeById(id);
        })
        .then((res) => {
          this.fetchData(this.pageNum);
          this.$message.success(res.msg || "删除成功");
        })
        .catch(() => {
          this.$message.info("取消删除");
        });
    },
    // 添加按钮
    add() {
      this.dialogVisible = true;
      this.sysUser = Object.assign({}, defaultForm);
    },
    //编辑按钮
    edit(id) {
      this.dialogVisible = true;
      this.fetchDataById(id);
    },
    //根据id查询数据
    fetchDataById(id) {
      api.getById(id).then((res) => {
        this.sysUser = res.data;
      });
    },

    saveOrUpdate() {
      this.$refs.dataForm.validate((valid) => {
        if (valid) {
          // 防止表单重复提交
          this.saveBtnDisabled = true;
          if (!this.sysUser.id) {
            this.saveData();
          } else {
            this.updateData();
          }
        }
      });
    },
    // 新增
    saveData() {
      api.save(this.sysUser).then((res) => {
        this.$message.success(res.msg || "操作成功");
        this.dialogVisible = false;
        this.fetchData(this.pageNum);
      });
    },
    // 根据id更新记录
    updateData() {
      api.updateById(this.sysUser).then((res) => {
        this.$message.success(res.msg || "操作成功");
        this.dialogVisible = false;
        this.fetchData(this.pageNum);
      });
    },
    //获取所选行的数据 显示角色分配框
    showAssignRole(row) {
      this.sysUser = row;
      this.dialogRoleVisible = true;
      this.getRoles();
    },
    //api
    getRoles() {
      roleApi.getRoles(this.sysUser.id).then((res) => {
        //获取所有角色和用户的角色
        const { allRolesList, assignedRoleList } = res.data;
        this.allRoles = allRolesList;
        this.userRoleIds = assignedRoleList.map((item) => item.id);
        //如果长度一样 也就是已全选 check全选选择框
        this.checkAll = allRolesList.length == assignedRoleList.length;
        //没有全选则check不确定的
        this.isIndeterminate =
          assignedRoleList.length > 0 &&
          assignedRoleList.length < allRolesList.length;
      });
    },
    //全选勾选状态发生改变的监听
    // value是全选框勾选状态true/false
    handleCheckAllChange(value) {
      // 如果当前全选, userRoleIds就是所有角色id的数组, 否则是空数组
      this.userRoleIds = value ? this.allRoles.map((item) => item.id) : [];
      // 如果当前不是全选也不全不选时, 指定为false
      this.isIndeterminate = false;
    },
    //角色列表选中项发生改变的监听
    handleCheckedChange() {
      const { userRoleIds, allRoles } = this;
      //全选时 check全选框
      this.checkAll =
        userRoleIds.length === allRoles.length && allRoles.length > 0;
      //不全选设置isIndeterminate
      this.isIndeterminate =
        userRoleIds.length > 0 && userRoleIds.length < allRoles.length;
    },
    //分配角色
    assignRole() {
      let assignObj = {
        //所选用户的id
        userId: this.sysUser.id,
        roleIdList: this.userRoleIds,
      };
      roleApi.assignRoles(assignObj).then((res) => {
        this.$message.success(res.msg || "分配角色成功");
        this.dialogRoleVisible = false;
        this.fetchData(this.pageNum);
      });
    },
    //修改状态
    switchStatus(row) {
      row.status = row.status === 1 ? 0 : 1;
      api.updateStatus(row.id, row.status).then((res) => {
        this.$message.success(res.msg || "操作成功");
        this.dialogVisible = false;
        this.fetchData(this.pageNum);
      });
    },
  },
};
</script>